Home / 119,105.37-164,353.19-71,357.49

Finding the Fourth Proportional to 119,105.37, 164,353.19 and 71,357.49

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Solution

The fourth proportional to 119,105.37, 164,353.19 and 71,357.49 is: 98,466.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,105.37 : 164,353.19 = 71,357.49 : x
  2. Step 2: Convert to fraction form
    119,105.37/164,353.19 = 71,357.49/x
  3. Step 3: Cross multiply
    119,105.37x = 164,353.19 × 71,357.49
  4. Step 4: Simplify right side
    119,105.37x = 11,727,830,755.11
  5. Step 5: Solve for x
    x = 11,727,830,755.11/119,105.37
  6. Step 6: Final answer
    x = 98,466.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.